Attributes

Brand	-
Category	Root / 3D Printing Accessories
Origin	-
Compatibility	Bambu Lab A1 / A1 mini
Nozzle Diameter	0.4 mm
Nozzle Material	Hardened Steel
Thread Specification	M6
Max Operating Temperature	300°C
Package Contents	1 x Hotend Assembly
Item Weight	24 grams
Color	Silver
Brand	Tuozhuzhu
Model Number	TZ-A1-HS-04

5 reviews

Anonymous

Mar 30, 2026

Rating: 5/5

Perfect Fit

Installed on my A1 mini without issues. Flows well and temperature readings are accurate.

Anonymous

Mar 14, 2026

Rating: 5/5

Durable Build

Hardened steel feels much stronger than brass. Expecting this to last much longer.

Anonymous

Mar 03, 2026

Rating: 5/5

Recommended Upgrade

Essential if you print composite materials. No clogging issues since the swap.

Anonymous

Feb 15, 2026

Rating: 4/5

Good Value

Works well but heating took a moment to stabilize during the first print. Otherwise solid.

Anonymous

Feb 09, 2026

Rating: 5/5

Great for Abrasive Filaments

Switched to this for carbon fiber PLA and no wear so far. Installation was straightforward on my A1.

5 FAQ

Q: Is this compatible with the standard A1?

A: Yes, this hotend assembly fits both the Bambu Lab A1 and A1 mini models.

Q: Is the heater cartridge included?

A: Yes, this is a full hotend assembly including the heater cartridge and thermistor.

Q: What is the thread pitch?

A: It uses standard M6 threads compatible with the A1 series hotend block.

Q: Does it support high temp filaments?

A: Yes, the hardened steel nozzle supports printing up to 300 degrees Celsius.

Q: Do I need to update firmware?

A: No, this is a hardware swap only and does not require firmware updates.

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